Yorktown, Va., vicinity. Headquarters of Gen. George B. McClellan, Camp Winfield Scott
May 3, 1862 – photographed by James F. Gibson.
Part of Civil War glass negative collection. Library of Congress Prints and Photographs Division Washington, D.C. 20540 USA
Record page for this drawing: http://www.loc.gov/pictures/item/cwp2003000026/PP/